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首页> 外文期刊>Instruments and Experimental Techniques >A Data Acquisition System of the S/X-Wave Range of the Radio Interferometer for the Universal Time On-Line Monitoring
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A Data Acquisition System of the S/X-Wave Range of the Radio Interferometer for the Universal Time On-Line Monitoring

机译:通用时间在线监测的无线电干涉仪的S / X波范围数据采集系统

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摘要

A system is intended for equipping radio telescopes with antennas of small (12-13 m) diameters, used in the very long baseline interferometers (VLBIs), including universal time on-line monitoring interferometers. The system operates in S- and X-wavelength ranges and process up to 8 signals with spectrum widths of up to 512 MHz, converts them into digital sequences with a 1024-MHz clock frequency, and forms data streams in the VLBI Data Interchange Format (VDIF) with a 2048-Mbit/s rate per channel. Data from each channel of the system via the 10G Ethernet interface are transmitted to the data buffering unit for their sending to the correlation processing center.
机译:该系统旨在为射电望远镜配备直径较小(12-13 m)的天线,用于非常长的基线干涉仪(VLBI),包括通用时间在线监测干涉仪。该系统在S和X波长范围内运行,可处理多达8个信号,其频谱宽度高达512 MHz,将它们转换为具有1024 MHz时钟频率的数字序列,并以VLBI数据交换格式( VDIF),每个通道的速率为2048 Mbit / s。通过10G以太网接口将来自系统每个通道的数据传输到数据缓冲单元,以将其发送到相关处理中心。

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